👍「 FITMENT 」: Only Fit Diesel Model. Running Boards For 2007-2018 Chevy Silverado/Sierra 1500 2500 3500 Crew Cab & 2019 Silverado/Sierra 2500HD 3500HD Crew Cab & 2019 Silverado 1500LD & 2019 Sierra 1500 Limited. Only Fit For Crew Cab With 4 Full-Size Doors. Does Not Fit 2019 Silverado/Sierra 1500& 2007 Silverado/Sierra 1500 Classic. 
👍「 MATERIAL」: Width 6 Inches For Maximum Comfort In Stepping .wide Enough To Feel Sturdy And Safe But Not Too Wide To Look Awkward. Made With Premium Matted Black Coated Steel. Heavy Duty Material.
👍「EASY TO INSTALL」: Easy Bolt-on Installation. No Drilling Or Cutting Required. All Mounting Hardware And Installation Instruction Included. Mount The Mounting Brackets Under The Truck First Then The Running Boards. The Attaching Bolts Into A Groove That Allows Them To Slide To The Proper Spot Then Torque Them Down And That's It
👍「INNOVATIVE DESIGN」: This Product Is Newly Designed And Has Obtained A Patent In The Us. Slider Design, Able To Adjust Position On Vehicle Forward & Backwards For Better Customization
👍「OE STYLE」: Oe Style With Polymer Stripes Pattern Aluminum Running Boards，with A Slip-resistant Plastic Step Pad.looks Like Very High-quality Material And Similar OEM.